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Finding the Fourth Proportional to 425,707.18, 587,480.52 and 234,727.41

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Solution

The fourth proportional to 425,707.18, 587,480.52 and 234,727.41 is: 323,926.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,707.18 : 587,480.52 = 234,727.41 : x
  2. Step 2: Convert to fraction form
    425,707.18/587,480.52 = 234,727.41/x
  3. Step 3: Cross multiply
    425,707.18x = 587,480.52 × 234,727.41
  4. Step 4: Simplify right side
    425,707.18x = 137,897,780,885.05
  5. Step 5: Solve for x
    x = 137,897,780,885.05/425,707.18
  6. Step 6: Final answer
    x = 323,926.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.